Tejun Heo wrote:Hello,
Michael Tokarev wrote:Well. It looks like the results does not depend on the
elevator. Originally I tried with deadline, and just
re-ran the test with noop (hence the long delay with
the answer) - changing linux elevator changes almost
nothing in the results - modulo some random "fluctuations".
I see. Thanks for testing.
Here are actual results - the tests were still running when
I replied yesterday.
Again, this is Seagate ST3250620AS "desktop" drive, 7200RPM,
16Mb cache, 250Gb capacity. The tests were performed with
queue depth = 64 (on mptsas), drive write cache is turned
off.